Examlex
If an analyst is considering 40 securities for inclusion in a portfolio and is using the covariance approach, she must estimate total parameters numbering
Sample Means
The average values calculated from samples drawn from a population; used in inferential statistics as estimates of the population mean.
Population Mean
The average value of a characteristic in the entire population being studied.
Standard Deviation
A metric indicating the extent of difference or scattering among a series of figures.
Variability
The measure of how much data points in a set diverge from the average or mean value, indicating the spread or dispersion of the dataset.
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